lunar lifeboat
短语发音
US
词形变化
lunar lifeboats
复数
lunar lifeboats
释义与例句
n.
-
1.
In the US Apollo moon program, a lunar module repurposed as a makeshift shelter for an astronaut crew returning to earth after a mishap necessitating cancellation of a moon landing; the emergency procedure of using the lunar module in this manner.
天文At 141 hours and 30 minutes, the Lunar Module, Aquarius, after successfully fulfilling its contingency role as a Lunar Lifeboat, was jettisoned in preparation for the final plunge into the Earth's atmosphere.
As the "lunar lifeboat" neared the Earth, the hard problem loomed of how to separate the vehicles before they entered the atmosphere.